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UPD78F9234MC-5A4-A Datasheet, PDF (294/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents
CHAPTER 19 FLASH MEMORY
• μPD78F9234
Figure 19-17. Format of Protect Byte (2/2)
PRSELF4 PRSELF3 PRSELF2 PRSELF1 PRSELF0
Status
0
0
0
0
0
Blocks 31 to 0 are protected.
Blocks 29 to 0 are protected.
0
0
0
0
1
Blocks 30 and 31 can be written or erased.
Blocks 27 to 0 are protected.
0
0
0
1
0
Blocks 28 to 31 can be written or erased.
Blocks 25 to 0 are protected.
0
0
0
1
1
Blocks 26 and 31 can be written or erased.
Blocks 23 to 0 are protected.
0
0
1
0
0
Blocks 24 to 31 can be written or erased.
Blocks 21 to 0 are protected.
0
0
1
0
1
Blocks 22 to 31 can be written or erased.
Blocks 19 to 0 are protected.
0
0
1
1
0
Blocks 20 to 31 can be written or erased.
Blocks 17 to 0 are protected.
0
0
1
1
1
Blocks 18 to 31 can be written or erased.
Blocks 15 to 0 are protected.
0
1
0
0
0
Blocks 16 to 31 can be written or erased.
Blocks 13 to 0 are protected.
0
1
0
0
1
Blocks 14 to 31 can be written or erased.
Blocks 11 to 0 are protected.
0
1
0
1
0
Blocks 12 to 31 can be written or erased.
Blocks 9 to 0 are protected.
0
1
0
1
1
Blocks 10 to 31 can be written or erased.
Blocks 7 to 0 are protected.
0
1
1
0
0
Blocks 8 to 31 can be written or erased.
Blocks 5 to 0 are protected.
0
1
1
0
1
Blocks 6 to 31 can be written or erased.
Blocks 3 to 0 are protected.
0
1
1
1
0
Blocks 4 to 31 can be written or erased.
Blocks 1 and 0 are protected.
0
1
1
1
1
Blocks 2 to 31 can be written or erased.
1
1
1
1
1
All blocks can be written or erased.
Other than above
Setting prohibited
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User’s Manual U17446EJ5V0UD